(1)
Khalid, T.; Maan, M. A.; Shehzad, K. Comparison of Efficacy and Safety of Topical Glyceryl Trinitrate Vs. Oral Nifedipine in Idiopathic Perniosis: Results of a Randomized Clinical Trial. J Pak Assoc Dermatol 2016, 24, 342-347.